choroideraemia

choroideremia

An X-linked recessive, MIM 303100 hereditary retinal degeneration (other hereditary retinal degenerations include Refsum’s disease, gyrate atrophy and abetalipoproteinemia), characterised by progressive centripetal loss of visual fields and depth perception due to degeneration of the choroid and retina. It is caused by mutation of the CHM (formerly, REP-1) gene on chromosome Xq21 that encodes component A of the RAB geranylgeranyl transferase holoenzyme, which binds unprenylated Rab GTPases and then presents them to the catalytic Rab GGTase subunit for the geranylgeranyl transfer reaction.
Pathogenesis
Blindness is due to degeneration of choriocapillaris, retinal pigment epithelium and photoreceptors.

choroideraemia

A rare genetic disorder featuring progressive degeneration of the CHOROID coat of the eye and leading to progressive visual loss and eventual blindness.

单词	choroideraemia
释义	choroideraemia choroideremia An X-linked recessive, MIM 303100 hereditary retinal degeneration (other hereditary retinal degenerations include Refsum’s disease, gyrate atrophy and abetalipoproteinemia), characterised by progressive centripetal loss of visual fields and depth perception due to degeneration of the choroid and retina. It is caused by mutation of the CHM (formerly, REP-1) gene on chromosome Xq21 that encodes component A of the RAB geranylgeranyl transferase holoenzyme, which binds unprenylated Rab GTPases and then presents them to the catalytic Rab GGTase subunit for the geranylgeranyl transfer reaction. Pathogenesis Blindness is due to degeneration of choriocapillaris, retinal pigment epithelium and photoreceptors. choroideraemia A rare genetic disorder featuring progressive degeneration of the CHOROID coat of the eye and leading to progressive visual loss and eventual blindness.
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